We're an agency that does client work so a lot of times we're each lone-wolfing a separate project and there's less need for constant communication. We do have

We're an agency that does client work so a lot of times we're each lone-wolfing a separate project and there's less need for constant communication. We do have a chat room and we're all on AIM. If you want to talk to someone who has headphones on you generally ping them on IM with "do you have a minute" before walking over to their desk.